SECTION 13038

COLD STORAGE ROOMS

PART 1 GENERAL

SECTION INCLUDES

Prefabricated insulated cold storage rooms with wall [, floor,] and ceiling panels.

Door, frame, and hardware.

[Self contained refrigeration unit.] [Refrigeration coils to function with remote unit.]

Controls [and lighting].

[Shelving and supports].

PRODUCTS FURNISHED BUT NOT INSTALLED UNDER THIS SECTION

Section [______-____________]: Placement of recessed floor [frame] [panels] [screeds] for unit.

RELATED SECTIONS

Section [______-____________]:	Formed floor recess.

Section [______-____________]:	Insulated floor construction.

Section 07900 - Joint Sealers.

[Section [______-____________]: Floor finish in unit.]

Section 15430 - Plumbing Specialties: Floor drain.

Section [______-____________]:	Central refrigeration.

Section 15325 - Sprinkler Systems: Dry type sprinkler system piping into cold room unit.

Section 16180 - Equipment Wiring Systems: Electrical characteristics and wiring connections.

Section 16510 - Interior Luminaires.

REFERENCES

APA - American Plywood Association.

ASTM A264 - Stainless Chromium-Nickel-Steel Clad Plate, Sheet, and Strip.

ASTM A446 - Steel Sheet, Zinc-Coated (Galvanized by the Hot Dip Process, Physical (Structural) Quality.

ASTM A792 - Steel Sheet, Aluminum-Zinc Alloy-Coated by the Hot Dip Process.

ASTM B209 - Aluminum-Alloy, Sheet and Plate.

ASTM E283 - Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors.

NSF - National Sanitation Foundation.

SIGMA - Sealed Insulating Glass Units.

SYSTEM DESCRIPTION

Cooling Unit: Locate [adjacent to] [on top of ceiling panel of] room near [door] [________] to provide access for maintenance.

****** [OR] ******

Cooling Units: Locate remote from cold storage rooms in [Mechanical] [Service] [________] Room Number [____]. Pipe coolant to cold rooms.

****** [OR] ******

[Central] cooling [unit] [compressor] and piping of coolant to cold storage rooms specified in Section [________].

Control Panel: Provide with [recording dial thermometers,] alarms, and controls [at door of each room] [with alarms wired to central remote location] [in remote central location].

PERFORMANCE REQUIREMENTS

Wall Panels:	Withstand live lateral load of [100] [____] lbs ([450] [____] N) point load, [5] [____] psf ([35] [____] kPa) uniform load.

Ceiling Panels: Withstand their own weight, dead loads, and live loads of [________] with maximum deflection of [1/180] [________].

Floor Panels: Withstand [100] [____] psf ([69.0) [____] kPa) uniform load without physical damage or indentation of panel or insulation [and a point load of [300] [____] psf ([14.1] [____] kPa) without indentation.

Cooler Rooms: Maintain [40] [____] degrees F ([5] [____] degrees C); plus or minus [____] F degrees ([____] C degrees).

****** [OR] ******

Freezer Rooms: Maintain [20] [____] degrees F ([-6] [____] degrees C); plus or minus [____] F degrees ([____] C degrees).

Air Tightness of Assembled Unit:	Limit air infiltration through assembly to [0.06] [____] cfm/min/sq ft ([0.0003] [____] cu m/s/sq m) of wall area, measured at a reference differential pressure across assembly of [1.57] [____] psf ([75] [____] Pa) as measured in accordance with [ANSI/ASTM E283] [________].

Vapor Seal: Interior room atmospheric pressure of 1 inch (25 mm) sp, 72 degrees F (22 degrees C), 40 percent RH: No failure.

****** [OR] ******

Vapor Tightness: Sufficient to eliminate frost accumulation.

SUBMITTALS

Submit under provisions of Section [01300.] [________.]

Shop Drawings: Indicate layout, room dimensions, materials, components, fasteners, doors, hardware, equipment, finishes, method of installation and assembly, supplementary support or bracing, controls, and service rough-in.

Product Data: Provide data on hardware and fixtures.

Samples:	Submit [two] [_______] samples [____x____] inch ([____x____] mm) in size illustrating panel finish, hardware, and [________].

Samples:	Submit [two] [_______] samples [____x____] inch ([____x____] mm) in size illustrating panel construction, corner and joint conditions, and [________].

Manufacturer's Installation Instructions: Indicate special procedures, perimeter conditions requiring special attention, and [________].

Manufacturer's Certificate: Certify that [Products] [________] meet or exceed [UL] [specified requirements] [________].

OPERATION AND MAINTENANCE DATA

Submit under provisions of Section [01700.] [________.]

Operation Data: Include operating equipment, service and lubrication schedules, and [________________].

QUALITY ASSURANCE

Perform Work in accordance with [NSF Standard 7] [________] for cold room construction and [UL] [____] for operating equipment.

Maintain [one copy] [[____] copies] of [each] document on site.

QUALIFICATIONS

Manufacturer: Company specializing in manufacturing the Products specified in this section with minimum [three] [_______] years [documented] experience.

Design cold storage room roof under direct supervision of a Professional Structural Engineer experienced in design of this Work and licensed [at the place where the Project is located] [in the State of [____________]].

REGULATORY REQUIREMENTS

Conform to [applicable] [___________] code for [noncombustible construction.] [flame and smoke rating requirements.] [________.]

Products Requiring Electrical Connection: Listed and classified by [Underwriters' Laboratories, Inc.,] [testing firm acceptable to the authority having jurisdiction] as suitable for the purpose specified and indicated.

PRE-INSTALLATION CONFERENCE

Convene [one] [_____] week prior to commencing work of this section, under provisions of Section [01039.] [________.]

DELIVERY, STORAGE, AND HANDLING

Deliver, store, protect and handle products to site under provisions of Section [01600.] [________.]

Wrap and crate finished components and assemblies at factory to prevent damage or marring of surfaces during shipping and handling.

Do not deliver materials or assemblies to site until installation spaces are ready to receive units.

FIELD MEASUREMENTS

Verify that field measurements are as [indicated [on shop drawings].] [instructed by the manufacturer.]

COORDINATION

Coordinate work under provisions of Section [01039.] [________.]

Coordinate with concrete work [for floor recess] [for placement of floor panels] and electrical service.

WARRANTY

Provide [five] [____] year warranty under provisions of

Section [01700.] [________.]

Warranty: Include coverage of [remote] [integral] refrigeration compressor unit [refrigerant,] [and controls].

MAINTENANCE SERVICE

Furnish service and maintenance of refrigeration unit for [two] [____] years from date of Substantial Completion.

PART 2 PRODUCTS

MANUFACTURERS

[__________________________________] Product [_________].

[__________________________________] Product [_________].

[__________________________________] Product [_________].

Substitutions: Under provisions of Section [01600.] [________.]

MATERIALS

Aluminum: ASTM B209 [____] alloy, [[0.050] [____] inch ([1.3] [____] mm) thick, smooth surface.] [[0.042] [____] inch ([1.06] [____] mm) thick, stucco embossed surface.]

Sheet Steel:	[ASTM A446;] [ASTM A792;] galvanized to [G90] [____] coating, [22] [____] gage ([0.8] [____] mm) thick.

Stainless Steel:	ASTM A264 Type [304] [316]; [No. 4] [________________] finish, [20] [____] gage ([0.9] [____] mm) thick.

Insulation: [Polyurethane foamed-in-place] [________], density [2.2] [____] lbs/cu ft. ([61] [____] g/cu m) 'K' factor of 0.12, self extinguishing type.

Accessories:	[Ramps,] thresholds, closure plates, [hanger rods,] tie down plates, bolts, screws, and washers; non-corrosive.

Insulating Glass: [SIGMA,] [double] [triple] pane units, [1/4] [____] inch ([6] [____] mm) thick, [clear] [________] [float] [tempered] [wire] glass panes, [5/8] [1] [____] inch ([16] [25] [____] mm) unit thickness, air sealed.

****** [OR] ******

Insulating Glass: [Double] [Triple] [Quadruple] pane units, as specified in Section [08800.] [________.]

Plywood:	APA Structural I, Grade C-D, Exposure 1, sanded, preservative treated.

Sealant:	[Silicone base, fungus resistant] [________] type as specified in Section [07900.] [________.]

Door Gaskets: Resilient [hollow] neoprene [; electric heated at freezer doors]; organic [grease and oil] [________] resistant, replaceable [and adjustable], concealed magnetic strip to maintain air tight seal.

COMPONENTS

Hardware: [Cast brass] [Forged steel] [________], nylon bearing self closing hinges, [roller catch latch and keeper]; [cylinder] [pad] lock and inside safety release mechanism.

Shelving and Supports: [Stainless steel] [________] construction, [open [rod] [mesh]] [flat sheet] construction, [free standing] [________] style; [________] supports.

Light Fixtures: Vapor tight, incandescent with [150] [____] watt lamp, operating toggle switch on exterior wall of room with pilot light, wired in rigid conduit.

EQUIPMENT

Cooling System: Direct expansion refrigerant, [water] [air] cooled; [remote located condensing unit for [all] rooms] [room internal condensing unit for each room], [evaporator,] [unit cooler,] self contained with valves, controls, switches, timers, refrigerant piping, insulated suction lines, and wiring. Size and capacity to maintain environment specified; [[hot gas] [electric] defrost] [electrically heated trace condensate drain]].

Electrical Characteristics:

[____] hp ([____] kW)] [[____] kW] [[____] rated load amperes].

[____] volts, [single] [three] phase, 60 Hz.

[____] amperes maximum [fuse size] [circuit breaker size] [overcurrent protection].] [[____] minimum circuit capacity].

[____] percent minimum power factor at rated load.

Refer to Section 16180.

Motor:	[Refer to Section 15170.] [NEMA MG1, [____].]

Controls: [________].

Thermometer: [Direct reading] [________] type.

Wiring Terminations:	Provide terminal lugs to match branch circuit conductor quantities, sizes, and materials indicated. Enclose terminal lugs in terminal box sized to NFPA 70.

Disconnect Switch: Factory mount disconnect switch [in control panel.] [on equipment under provisions of Section 16180.]

FABRICATION

Wall Panels: Comprised of the following:

Exterior Sheet: [22] [____] gage ([0.8] [____] mm) [aluminum.] [sheet steel.] [stainless steel.]

Interior Sheet: [22] [____] gage ([0.8] [____] mm) [aluminum.] [sheet steel.] [stainless steel.]

Core: Insulation bonded to exterior and interior sheets.

Panel Width:	[48] [____] inches ([1 220] [____] mm), one piece floor to ceiling.

Panel Assembly: [Tongue and groove] [________] edges, integral cam action locking clamps spaced not over [40] [____] inches ([1 000] [____] mm) oc.

Ceiling Panels: Same construction as walls except [exterior] [interior] sheets of [24] [____] gage ([0.60] [____] mm) [________] metal.

Floor Panels: Comprised of the following:

Top Sheet: [____] gage ([____] mm) [stainless steel.] [steel.] [aluminum.]

Bottom Sheet: [____] gage ([____] mm) [aluminum.] [steel.] [stainless steel.]

Core: [5/8] [____] inch ([16] [____] mm) thick plywood laminated between top sheet and insulation; all bonded.

Panel Width:	[48] [____] inches ([1 220] [____] mm), one piece wall to wall.

Panel Assembly: [Tongue and groove] [________] edges, integral cam action locking clamps spaced not over [40] [____] inches ([1 000] [____] mm) oc.

Insulation Thickness: [3] [4] [____] inches ([75] [100] [____] mm).

Doors: Overlap type for [34 x 78] [____x____] inch ([860 x 200] [____x____] mm) opening, construction as for walls but with edges closed; [2-1/2] [3] [4] [____] inch ([63] [75] [100] [____] mm) thick insulation; flexible gasket containing magnetic strip on four edges; [heated gasket thermostatic control with two way air relief valve].

View Windows: Sealed insulating glass units in [doors] [and] [walls], [triple] [quadruple] glass at freezers.

FINISHES

Exterior [Aluminum] [Steel] Cladding: [[White] [________] color [as selected].] [Of baked acrylic enamel.] [Mill finish.]

Interior [Aluminum] [Steel] Cladding: [[White] [________] color [as selected].] [Of baked acrylic enamel.] [Mill

finish.]

Stainless Steel: [No. 4] [________] finish.

Hardware: [Polished chrome.] [Satin chrome.] [________.]

PART 3 EXECUTION

EXAMINATION

Verify site conditions under provisions of Section [01039.] [________.]

Verify that surfaces, prepared openings, and roughed-in utilities are ready to receive work and opening dimensions are as [indicated on shop drawings.] [instructed by the manufacturer.]

Verify that electric power is available and of the correct characteristics.

INSTALLATION

Assemble and install components in accordance with manufacturer's instructions.

Set floor panels in place and align.	Connect to floor drains. Seal joints continuously and lock panels tightly together.

Set [wall attachments] [floor screeds] on floor and anchor securely. [Align over insulated break of recessed insulated floor slab].

Cut holes, install anchors and seal room panels for plumbing, power, and lighting. Provide reinforcing or anchorage in walls for [________] equipment as specified in Section [________].

Assemble wall panels; lock in place with cam locks. Brace securely until ceiling panels are installed.

Install ceiling panels; lock into wall panels. [Provide and install supplementary ceiling hanger supports to building structure above.]

Install sill plate at door opening [and heated thresholds and ramps].

Hang doors. Adjust to operate smoothly.

Locate condensing unit for each room on top of roof [above door] [as indicated]. Support coil on room interior and make connections as required. Wire-in alarm unit [and door and threshold heaters]. Connect units to valved water piping. Run condensate line to nearest drain.

Install ceiling trim and ceiling fascia, [cover plates between top of room and finished ceiling] and end closure plates between room and adjacent wall.

Seal joints and services through walls with sealant to provide moisture and vapor seal.

FIELD QUALITY CONTROL

Field [inspection and] testing will be performed under provisions of Section [01400.] [________.]

Test and adjust control equipment to ensure performance conforms to specified requirements.

Operate each room and test full range of functions over a continuous 48 hour period, recording physical data on operating equipment. Continuously record temperature and humidity.

Test each room for air tightness.

Adjust and re-test any rooms not meeting requirements.

Provide three copies of a written quality control test report.

Shut off equipment and controls and lock doors to prevent operation or access by unauthorized persons.

CLEANING

Clean work under provisions of [01700.] [________.]

Remove temporary protection from prefinished surfaces.

Wash and clean [floor,] walls, and ceiling inside room and exposed surfaces on the outside. Clean [glass,] fixtures and fittings.

DEMONSTRATION

Provide systems demonstration under provisions of Section [01650.] [________.]

Demonstrate, in the presence of the Owner, the operation, function, and maintenance of each room and its associated equipment.

Manufacturer's Demonstration Representative:	Fully knowledgeable of operating and servicing the work.

SCHEDULE

Refrigerators # 1 and 2 in Kitchen 101: Prefinished aluminum outer sheet, stainless steel inner sheet, 3 inch thick panels, 36 x 84 inch door with 12 x 12 double pane sealed glass unit, floor of quarry tile on insulated

concrete specified in Section 09331.

Freezer in Kitchen 101: Prefinished aluminum outer sheet, prefinished steel inner sheet, stainless steel floor sheet, 5 inch thick wall panels, 4 inch thick floor panels, 30 x 84 inch door with 12 x 12 quadruple pane sealed glass unit.

END OF SECTION